LibreOffice Module vcl (master)  1
scrptrun.h
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31  * file name: scrptrun.h
32  *
33  * created on: 10/17/2001
34  * created by: Eric R. Mader
35  */
36 
37 #ifndef INCLUDED_VCL_INC_SCRPTRUN_H
38 #define INCLUDED_VCL_INC_SCRPTRUN_H
39 
40 #include <sal/config.h>
41 
42 #include <vcl/dllapi.h>
43 
44 #include <unicode/uobject.h>
45 #include <unicode/uscript.h>
46 #include <vector>
47 
48 namespace vcl
49 {
51 {
52  int32_t pairIndex;
53  UScriptCode scriptCode;
55  : pairIndex(0)
56  , scriptCode(USCRIPT_INVALID_CODE)
57  {
58  }
59 };
60 
61 class VCL_DLLPUBLIC ScriptRun final : public icu::UObject
62 {
63 public:
64  ScriptRun(const UChar chars[], int32_t length);
65 
66  void reset();
67 
68  void reset(int32_t start, int32_t count);
69 
70  void reset(const UChar chars[], int32_t start, int32_t length);
71 
72  int32_t getScriptStart() const;
73 
74  int32_t getScriptEnd() const;
75 
76  UScriptCode getScriptCode() const;
77 
78  UBool next();
79 
85  virtual UClassID getDynamicClassID() const override { return getStaticClassID(); }
86 
92  static UClassID getStaticClassID()
93  {
94  return static_cast<UClassID>(const_cast<char*>(&fgClassID));
95  }
96 
97 private:
98  int32_t charStart;
99  int32_t charLimit;
100  const UChar* charArray;
101 
102  int32_t scriptStart;
103  int32_t scriptEnd;
104  UScriptCode scriptCode;
105 
106  std::vector<ParenStackEntry> parenStack;
107  int32_t parenSP;
108 
113  static const char fgClassID;
114 };
115 
116 inline ScriptRun::ScriptRun(const UChar chars[], int32_t length)
117 {
118  parenStack.reserve(128);
119  reset(chars, 0, length);
120 }
121 
122 inline int32_t ScriptRun::getScriptStart() const { return scriptStart; }
123 
124 inline int32_t ScriptRun::getScriptEnd() const { return scriptEnd; }
125 
126 inline UScriptCode ScriptRun::getScriptCode() const { return scriptCode; }
127 
128 inline void ScriptRun::reset()
129 {
132  scriptCode = USCRIPT_INVALID_CODE;
133  parenSP = -1;
134  parenStack.clear();
135 }
136 
137 inline void ScriptRun::reset(int32_t start, int32_t length)
138 {
139  charStart = start;
140  charLimit = start + length;
141 
142  reset();
143 }
144 
145 inline void ScriptRun::reset(const UChar chars[], int32_t start, int32_t length)
146 {
147  charArray = chars;
148 
149  reset(start, length);
150 }
151 }
152 
153 #endif
int32_t getScriptEnd() const
Definition: scrptrun.h:124
#define VCL_DLLPUBLIC
Definition: dllapi.h:29
int32_t scriptEnd
Definition: scrptrun.h:103
const UChar * charArray
Definition: scrptrun.h:100
int32_t scriptStart
Definition: scrptrun.h:102
UScriptCode getScriptCode() const
Definition: scrptrun.h:126
std::vector< ParenStackEntry > parenStack
Definition: scrptrun.h:106
int32_t parenSP
Definition: scrptrun.h:107
UScriptCode scriptCode
Definition: scrptrun.h:53
int32_t charLimit
Definition: scrptrun.h:99
int32_t getScriptStart() const
Definition: scrptrun.h:122
void reset()
Definition: scrptrun.h:128
UScriptCode scriptCode
Definition: scrptrun.h:104
int32_t charStart
Definition: scrptrun.h:98
static const char fgClassID
The address of this static class variable serves as this class's ID for ICU "poor man's RTTI"...
Definition: scrptrun.h:113
virtual UClassID getDynamicClassID() const override
s * ICU "poor man's RTTI", returns a UClassID for the actual class.
Definition: scrptrun.h:85
static UClassID getStaticClassID()
ICU "poor man's RTTI", returns a UClassID for this class.
Definition: scrptrun.h:92
ScriptRun(const UChar chars[], int32_t length)
Definition: scrptrun.h:116